it is related with photography exhibition in the gallery in Berlin "BEYOND THE FAME - Stars up close by Martin Schoeller", this is for the release done by the Magazine, it includes several German actors

Like you said Sef, all this BTS videos from the set of Despite the Falling Snow, look great, more productions should do it... and from the video posted by trauen, here are some nice gifs done by source here

the last pair of gifs are adorable, the big hug she has with the director is cute... they seem to have a blast filming.